Condensates of aminoplast-sulfonated phenolic compounds
United States Patent 3340215

Inventors:
Lucien, Sellet
Publication Date:
09/05/1967
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Assignee:
NOPCO CHEM CO
Primary Class:
524/598
Other Classes:
8/94.240, 524/841, 525/480, 528/150, 525/495, 525/481
International Classes:
C08G14/08; C14C3/20; C14C9/00; C14C11/00; C08G14/00; C14C3/00
US Patent References:
2242681Tanning substances and their manufacture
3036877Treating tanned leather with condensation product of polycyclic hydrocarbon, carboxylic acid, and oxo-compound
Foreign References:
DE1195492B